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HNSS > 10-Nasal Cavities Sinus and Larynx brainscape > Flashcards

10-Nasal Cavities Sinus and Larynx brainscape Flashcards

1
Q
A

1- Frontal Sinuses

2- Ethmoidal Sinuses

3-Orbital plate of ethmoid bone 4- Maxillary Sinuses

5- teeth

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2
Q
A

6- Frontal Sinus 7- Superior Concha 8- Pituitary Gland 9- Sphenoidal sinus 10- Inferior Conchae 11- Middle Conchae

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3
Q
A

1- Frontal Process of Maxilla 2- Lacrimal bone (of ethmoid) 3- Superior Conchae 4- Middle conchae 5- Perpendicular plate of palatine bone 6- Medial palte of pterygoid process of sphenoid 7- Inferior conchae 8- don’t worry 9- Greater Alar Cartilage 10- Lateral Nasal Cartilage 11- Nasal Bone

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4
Q

Action of Cricothyroid

A

Lengthens Vocal Cords

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5
Q

Action of lateral cricoarytenoid

A

Adducts vocal cords

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6
Q

Action of Posterior Cricoarytenoid

A

Abducts the vocal cords (ONLY ONE THAT CAN DO THIS!

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7
Q

Action of Thyroarytenoid

A

Shortens vocal cords

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8
Q

Action of Transverse arytenoid

A

Adducts vocal cords

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9
Q

Action of Vocalis muscle

A

shortens vocal cords

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10
Q

Autonomic innervation stimulus in the nose

A

Sympathetic = vasoconstriction of blood vessels Parasympathetic= secremotor to mucous glands

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11
Q

Blood Supply to Nasal Cavity:

A

1) Facial (from external carotid) 2) Sphenopalatine (from maxillary from external carotid) 3) Anterior ethmoidal (from internal carotid)

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12
Q

Cartilages of the Larynx

A

*Cricoid *Corniculate *Cuneiform *Arytenoid *Thyroid

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13
Q

Cricothyroid Membrane

A

*(aka Triangular) Connects the cricoid cartilage to the thyroid cartilage *Makes up the True vocal cord

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14
Q

Direct Blow to Nose

A

*Cribiform plate can be broken or dislocated, CNI can be torn from olfactory bulb 1) Anosmia 2) Meningitis 3) CSF Rhinorrhea

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15
Q

Drainage of Maxillary Sinus

A

Semilunar Hiatus

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16
Q

Drainage of Sphenoidal Sinus

A

Sphenoethmoidal recess

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17
Q

Ethmoidal Sinus Drainage

A

Anterior = Semilunar hiatus Middle = Bulla Posterior= Superior Nasal Meatus

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18
Q

External Structure of the nose:

A
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19
Q

Frontal Sinus Drainage

A

Middle meatus (semilunar hiatus)

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20
Q

Function of sinuses

A

*Lighten cranium *Aid in phonation *Provide air around nasal cavity for insulation

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21
Q

Functions of the Larynx

A

1) Open valve during respiration 2) Partially closed valve during phonation 3) Acts as sphincter during swallowing

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22
Q

Functions of the Nose

A

*Respiration *Olfaction *Filtration *Hydration/Warming *Excretion

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23
Q

Innervation of the Nasal Mucosa:

A

1) CN I 2) Anterior Ethmoidal (from nasociliary from CN V1) (tip of nose) 3) Nasopalatine (from V2) from pterygopalatine ganglion 4) Posterior nasal branches (from V2)

24
Q

Innervation of the superior/middle/inferior conchae

A

Posterior Nasal Branches of V2

25
Q

Into which sinus would you approach to access a pituitary tumor?

A

Sphenoidal

26
Q

Lateral blow to nose

A

*Epistaxis *Structural deformity

27
Q

Lymph Drainage of Nose

A

Vestibule –> Submandibular nodes Everywhere else –> Deep Cervical Nodes

28
Q

Lymph of the Larynx

A

Above vocal cords: deep cervical nodes Below vocal cords: deep nodes

29
Q

Medial wall of nasal Septum

A

*Perpendicular plate of Ethmoid *Vomer *Septal cartilage

30
Q

Muscles that adduct the vocal folds

A

Lateral cricoarytenoid Transverse arytenoid

31
Q

Muscles that Lengthen the vocal cords

A

Cricothyroid–> high voice

32
Q

Muscles that shorten the vocal cord

A

Thryoarytenoid Vocalis –> low notes

33
Q

Nerves responsible for symptoms of Hay Fever

A

*Nasopalatine Nerve *Greater & Lesser Palatine Nerves

34
Q

Olfacotry region of nasal cavity

A

Roof of nasal cavity, only place where you can smell because CNI comes through here

35
Q

Quandrangular Membrane

A

Gives rise to the false vocal cord

36
Q

Respiratory region of nasal cavity

A

extensive area of nasal cavity, covered by mucous

37
Q

Result of ligated external laryngeal nerve

A

phonation is weakened because cricothyroid cannot tighten vocal cords

38
Q

Result of ligated recurrent laryngeal nerve

A

One: vocal cords not damaged, can compensate Both damaged: voice completely lost, breathing becomes difficult

39
Q

Rima Glottidis space in larynx

A

*Rima glottidis = 2 true vocal cords come together to produce sound

40
Q

Sinus (Ventricle) space in larynx

A

*Sinus (ventricle) = space between true & false vocal cords

41
Q

Spaces of the Larynx

A

*Sinus (ventricle) *Rima glottidis *Subglottic Space *Vestibule

42
Q

Structure of the External Nose:

A

Bones: Nasal + Maxillary (two each) Cartilages: one septal cartilage, two lateral nasal cartilages, two greater alar cartilages

43
Q

Structures that pass through the Sphenopalatine Foramen

A

1) Sphenopalatine branch of maxillary artery 2) Nasopalatine branch of Maxillary nerve (V2) 3) Superior nasal branches of Maxillary Nerve (V2)

44
Q

Subglottic Space in Larynx

A

*Subglottic Space = inferior to the rima glottidis (food can get caught here)

45
Q

Turbinate Bones

A

aka nasal conchae- curved bony folds covered with mucosa that make up the lateral wall of the nasal cavity. *Spaces between conchae= meatuses Inferior conchae= can be seen in nostril

46
Q

Vestibule of the Nasal Cavity

A

Area superior to nostril, nose hairs found here to filter things

47
Q

Vestibule space in larynx

A

*Vestibule = superior most space posterior to epiglottis

48
Q

What factors determine frequency (pitch) of voice?

A

Changes in length and tension of the vocal cords

49
Q

What factors determine quality of voice

A

resonator above larynx - ie pharynx, mouth, sinuses, thoracic muscles

50
Q

What innervates the tip of the external nose?

A

Anterior ethmoidal (from nasociliary, from CN V1)

51
Q

What is the only laryngeal muscle that can abduct the vocal cords?

A

Posterior Cricoarytenoid

52
Q

What nerve is at risk for being damaged in a thyroidectomy?

A

External laryngeal (immediately deep to superior thyroid artery) Recurrent laryngeal- not constantly with inferior thyroid artery

53
Q

What sinus can be invaded following an extraction of an upper molar?

A

Maxillary sinus

54
Q

When will drainage of a sinus occur?

A

when the opening is physically below the sinus

55
Q

Where does the Nasolacrimal duct drain?

A

Inferior meatus

HNSS (17 decks)

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